WO2013047173A1 - Dispositif d'admission d'air - Google Patents

Dispositif d'admission d'air Download PDF

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Publication number
WO2013047173A1
WO2013047173A1 PCT/JP2012/073078 JP2012073078W WO2013047173A1 WO 2013047173 A1 WO2013047173 A1 WO 2013047173A1 JP 2012073078 W JP2012073078 W JP 2012073078W WO 2013047173 A1 WO2013047173 A1 WO 2013047173A1
Authority
WO
WIPO (PCT)
Prior art keywords
intake
air
surge tank
throttle
intake passage
Prior art date
Application number
PCT/JP2012/073078
Other languages
English (en)
Japanese (ja)
Inventor
秀任 矢野
智久 仙田
Original Assignee
アイシン精機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by アイシン精機株式会社 filed Critical アイシン精機株式会社
Publication of WO2013047173A1 publication Critical patent/WO2013047173A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10262—Flow guides, obstructions, deflectors or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10019—Means upstream of the fuel injection system, carburettor or plenum chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/1045—Intake manifolds characterised by the charge distribution between the cylinders/combustion chambers or its homogenisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to an intake system for distributing intake air on the intake side of an internal combustion engine used in a car or the like.
  • an intake system intake manifold
  • a surge tank that rectifies incoming air.
  • an air intake device which forms a spiral flow by forming a contact portion in contact with the intake port on a surface of the surge tank facing the throttle attachment portion (see, for example, Patent Document 1).
  • Patent Document 1 the inflowing air taken in at the butting portion is divided into two equal parts to form a spiral flow, but the intake passage upstream from the throttle mounting portion is curved, and the inflowing air flows between the inside and the outside of the bending portion.
  • the air flowing into the first and second cylinders and the air flowing into the third and fourth cylinders are not evenly distributed. There is a problem that reduces the performance.
  • the present invention has been made in view of the above problems, and suppresses the occurrence of deviation in the flow rate of the inflowing air even if the intake passage upstream from the throttle attachment portion is curved, and allows the inflowing air to be It is providing a suction device which can be evenly distributed.
  • a throttle attachment portion disposed downstream of an intake passage of a throttle, a surge tank which rectifies inflowing air taken in by the throttle, an intake pipe which distributes the inflowing air,
  • a spiral intake rectification mechanism is provided between the throttle including the surge tank and the surge tank.
  • the opening area from the inlet on the intake passage side to the outlet on the surge tank side is equal.
  • the intake air flow straightening mechanism has a shape in which the inside of the surge tank can not be seen when viewed from the intake passage side.
  • an intake passage through which external air flows in, a surge tank connected to the intake passage and the air flowing in from the intake passage, and a surge tank connected to the surge tank.
  • the intake passage upstream from the throttle attachment portion is curved because of the helical intake flow straightening mechanism, the flow rate of the inflowing air is uneven between the inside and the outside of the bending portion. Even with the spiral intake rectification mechanism, distribution can be made more evenly than before.
  • the intake air flow straightening mechanism can suppress the resistance of the inflowing air.
  • the inflowing air can be rectified without flowing directly into the surge tank from the intake passage, and can be distributed more evenly than before.
  • the air can be diffused by the intake air flow straightening mechanism that swirls the air, and the air can be made to flow into the plurality of intake pipes more uniformly than in the prior art.
  • FIG. 5 is an explanatory view of an intake air flow straightening mechanism of an intake manifold according to the first embodiment of the present invention. It is an explanatory view of an intake air flow straightening mechanism of an intake manifold according to a second embodiment of the present invention.
  • FIG. 1 is an explanatory view of an intake manifold 1 according to a first embodiment of the present invention.
  • the intake manifold 1 has a throttle mounting portion 2 disposed downstream of the throttle 10 in the intake passage 11, a surge tank 3 for rectifying and filling the inflowing air taken in by the throttle 10, and a cylinder of a four cylinder engine (not shown).
  • the intake manifolds 4a, 4b, 4c and 4d for distributing the pressure, and the spiral intake rectification mechanism 5 fixed to the throttle mounting portion 2 located between the throttle 10 including the surge tank 3 and the surge tank 3.
  • the intake air flow straightening mechanism 5 is also provided closer to the intake passage 11 than the intake pipes 4a to 4d, and swirls the air flowing in the longitudinal direction of the intake passage 11.
  • intake passage 11 is attached to the throttle attachment 2 using three bolts (not shown). Further, the intake passage 11 extends from the left direction, is curved backward by the bending portion 12, and is attached to the throttle attachment portion 2.
  • Intake manifold 1 is a resin molded product.
  • FIG. 2 is a rear view of the intake manifold 1 according to the first embodiment of the present invention.
  • the intake pipes 4a, 4b, 4c and 4d are sequentially from the right, and the intake pipe 4a is the first cylinder of the engine not shown, the intake pipe 4b is the second cylinder of the engine not shown, and the intake pipe 4c is not shown.
  • the third cylinder of the engine and the intake pipe 4d are connected to the fourth cylinder of the engine (not shown).
  • the intake pipes 4a, 4b, 4c and 4d are attached to an engine cylinder head (not shown) using five bolts (not shown).
  • FIG. 3 is an explanatory view of an intake air flow straightening mechanism 5 of the intake manifold 1 according to the first embodiment of the present invention.
  • the intake air flow straightening mechanism 5 has a cylindrical cavity penetrating from the front to the rear at the center, and has four wings curved so as to extend outward from a circular member in cross section surrounding the cavity, The inside of the surge tank 3 can be seen from the intake passage 11 side. Further, in the intake air flow straightening mechanism 5, the opening areas from the intake air flow straightening mechanism inlet 20 on the intake passage 11 side to the intake air flow straightening mechanism outlet 21 are equal.
  • the intake air flow straightening mechanism 5 provided in the throttle mounting portion 2 disperses the inflow air into the surge tank 3 by changing the wind direction of the inflow air to rectify the air or by swirling the air to diffuse the air. Is supplied.
  • the inflowing air dispersed in the surge tank 3 is evenly distributed to the intake pipes 4a, 4b, 4c and 4d and supplied to the first to fourth cylinders of the engine (not shown).
  • the intake manifold 1 is provided with the spiral intake flow rectifying mechanism 5 in the throttle mounting portion 2, the intake passage 11 upstream from the throttle mounting portion 2 is curved, so that the flow rate of the inflowing air flows inside and outside the curved portion 12. Even in the case where a bias occurs, the spiral intake flow rectifying mechanism 5 can evenly distribute the pressure to the intake pipes 4a, 4b, 4c, 4d than in the prior art.
  • the intake flow control mechanism 5 is provided on the side of the intake passage 11 with respect to the intake pipes 4a to 4d and that swirls the air flowing in the longitudinal direction of the intake passage 11 The mechanism 5 can diffuse the air, and the air can be made to flow into the plurality of intake pipes 4a to 4d more uniformly than in the prior art.
  • the spiral intake flow rectification mechanism 5 It can distribute equally to intake pipe 4a, 4b, 4c, 4d rather than before.
  • the spiral intake flow rectification mechanism 5 is provided at the throttle attachment portion 2 which is a junction of the surge tank 3 and the throttle 10, the turbulent inflowing air at the throttle 10 is also rectified and flows to the intake pipes 4a, 4b, 4c, 4d. It can be distributed evenly.
  • the intake air flow straightening mechanism 5 can improve the deviation of the flow rate of the inflowing air between cylinders from 9.4% to 4.1%.
  • the intake air flow straightening mechanism 5 can suppress the resistance of the inflowing air.
  • FIG. 4 is an explanatory view of an intake air flow straightening mechanism 5a of an intake manifold 1 according to a second embodiment of the present invention.
  • the intake air flow straightening mechanism 5 has a cylindrical cavity penetrating from the front to the rear at the center, and extends outward from a circular member in cross section surrounding the cavity.
  • the intake air flow straightening mechanism 5 a has four wings curved as described above so that the inside of the surge tank 3 can be seen from the intake passage 11 side. It has three wings curved so as to extend outward from the center of the intake air flow straightening mechanism 5a, and the inside of the surge tank 3 can not be seen from the intake passage 11 side.
  • the intake air flow straightening mechanism 5a is fixed to the throttle mounting portion 2 located between the throttle 10 including the surge tank 3 and the surge tank, as in the first embodiment. Further, the intake flow straightening mechanism 5a has the same opening area from the intake flow straightening mechanism inlet 20a on the intake passage 11 side to the intake flow straightening mechanism outlet 21a. As in the first embodiment, the intake air flow straightening mechanism 5a is provided closer to the intake passage 11 than the intake pipes 4a to 4d, and can circulate and diffuse the air flowing in the longitudinal direction of the intake passage 11. It is also.
  • the inflowing air can be rectified without flowing directly into the surge tank 3 from the intake passage 11, and can be equally distributed to the cylinders as compared with the first embodiment.
  • the intake flow straightening mechanism 5, 5a is mounted on the throttle mounting portion 2.
  • the mounting location is not limited to this, and the suction flow straightening mechanism 5, 5a includes the surge tank 3. It can be provided between the throttle 10 and the surge tank 3 or closer to the intake passage 11 than the intake pipes 4a to 4d, and the mounting method is not limited.
  • a stay may be provided extending from the surge tank 3 toward the throttle 10, and the intake air flow straightening mechanism 5, 5a may be fixed to the stay.
  • the intake air flow straightening mechanisms 5 and 5a can be mounted downstream of the throttle 10 and upstream of the throttle mounting portion 2 in the flow direction of the inflowing air.
  • the intake air flow straightening mechanism 5, 5a as downstream of the bending portion 12 as possible in the flow direction of the inflowing air.
  • a stay is provided extending toward the surge tank 3 from the opening end on the throttle mounting portion 2 side of the throttle mounting portion 2 or the intake passage 11, the downstream side of the throttle mounting portion 2 in the flow direction of the inflowing air
  • the intake air flow straightening mechanism 5, 5a can be attached to the inflow air inlet portion in the surge tank 3. In this case, it is desirable to provide at a place where the rectification and filling of the inflowing air by the surge tank 3 are not inhibited.
  • the intake manifold 1 is made of resin, but may be made of metal.
  • the intake air flow straightening mechanism has three or four wings, but is not limited to the number of wings.
  • the four-cylinder engine is used in the first and second embodiments, it may be used for an engine having two or more cylinders or a rotary engine.
  • the intake manifold 1 and the intake air flow straightening mechanism 5 are separate members in the first and second embodiments, they may be integrally formed.
  • the throttle mounting portion 2 disposed downstream of the intake passage 11 of the throttle 10 and the surge tank 3 for rectifying the inflowing air taken in by the throttle 10 And intake ducts 4a to 4d for distributing the inflowing air, and a spiral intake rectification mechanism 5, 5a between the throttle 10 including the surge tank 3 and the surge tank 3, so that Even in the case where the intake passage 11 is curved and the flow rate of the inflowing air is uneven between the inside and the outside of the curved portion, each intake pipe 4a to 4d is more than the conventional one by the spiral intake flow straightening mechanism 5, 5a. Can be distributed evenly, and supplied to each cylinder.
  • the spiral intake flow rectification mechanism 5 It can be equally distributed to each intake pipe 4a to 4d than before, and is supplied to each cylinder. Further, since the throttle mounting portion 2 at the junction of the surge tank 3 and the throttle 10 has the spiral intake flow rectifying mechanisms 5, 5a, the inflowing air disturbed by the throttle 10 is also rectified and equalized to the intake pipes 4a to 4d. Distributed to each cylinder.
  • the intake flow straightening mechanisms 5, 5a have the same opening area from the inlet on the intake passage side to the outlet on the surge tank side, It can suppress becoming resistance of inflowing air.
  • the intake air flow straightening mechanism 5a has a shape in which the inside of the surge tank 3 can not be seen when viewed from the air intake passage 11 side. Since the inside of the surge tank 3 can not be seen from the viewpoint, the inflowing air can be rectified without flowing directly into the surge tank 3 from the intake passage 11, and can be equally distributed to the respective intake pipes 4a to 4d than in the prior art. Supplied to
  • the intake passage 11 into which external air flows in, and the surge tank 3 connected to the intake passage 11 and in which air flows from the intake passage 11 A plurality of intake pipes 4a to 4d connected to the surge tank 3 for distributing the air flowing into the surge tank 3 and provided on the intake passage 11 side of the intake pipes 4a to 4d in the longitudinal direction of the intake passage 11; Since the intake air flow straightening mechanism 5, 5a which swirls the air flowing toward it is provided, the air can be diffused by the air suction flow straightening mechanism 5, 5a which swirls the air, and the plurality of suction pipes 4a to 4d are more uniformly than before. Air can be introduced.
  • the intake passage on the upstream side of the throttle attachment portion is curved to cause a deviation in the flow rate of the inflow air between the inside and the outside of the curved portion. Available to the device.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Characterised By The Charging Evacuation (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

L'invention porte sur un dispositif d'admission d'air. Afin que, même si le trajet d'admission d'air en amont d'une section de montage de l'organe des gaz est coudé, une déviation dans le débit de l'air entrant soit évitée et que l'air entrant soit uniformément distribué, un collecteur d'admission (1) comprend : une section (2) de montage de l'organe des gaz qui est placée dans le trajet d'admission en aval d'un organe des gaz (10) ; un réservoir de surpression (3) qui règle l'air d'admission aspiré par l'organe des gaz et dans lequel l'air entrant est introduit ; des tubes d'admission d'air (4a, 4b, 4c, 4d) qui répartissent l'air entrant ; et un mécanisme hélicoïdal d'admission d'air et de régulation (5) qui est fixé à la section de montage de l'organe des gaz.
PCT/JP2012/073078 2011-09-27 2012-09-10 Dispositif d'admission d'air WO2013047173A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-210958 2011-09-27
JP2011210958A JP2013072330A (ja) 2011-09-27 2011-09-27 吸気装置

Publications (1)

Publication Number Publication Date
WO2013047173A1 true WO2013047173A1 (fr) 2013-04-04

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WO (1) WO2013047173A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265523A (zh) * 2014-09-29 2015-01-07 日立汽车系统(苏州）有限公司 进气歧管稳压装置及包括该装置的发动机系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6715687B2 (ja) * 2016-06-09 2020-07-01 株式会社Roki インテークマニホールド
JP2019203449A (ja) * 2018-05-23 2019-11-28 トヨタ紡織株式会社 インテークマニホールド

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599151U (ja) * 1982-07-09 1984-01-20 株式会社クボタ 二元燃料エンジン
JPS6354822U (fr) * 1986-09-30 1988-04-13
JPS63302170A (ja) * 1987-05-30 1988-12-09 Suzuki Motor Co Ltd Ｖ型多気筒エンジンの吸気装置
JPH02112959U (fr) * 1989-02-23 1990-09-10
JPH06137225A (ja) * 1992-10-23 1994-05-17 Kubota Corp 多気筒ガソリンエンジンの吸気装置
US20080041352A1 (en) * 2006-02-03 2008-02-21 Robert Bolanos Throttle body spacer for use with internal combustion engines
JP3146154U (ja) * 2008-08-25 2008-11-06 長河 簡 内燃機空気加圧スポイラー構造
JP2010531952A (ja) * 2007-07-02 2010-09-30 エムジーアイ・クーティエ 内燃機関のための排気ガス再循環装置
JP2011501024A (ja) * 2007-10-18 2011-01-06 アー・ファウ・エル・リスト・ゲー・エム・ベー・ハー 吸気系を有する内燃機関

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599151U (ja) * 1982-07-09 1984-01-20 株式会社クボタ 二元燃料エンジン
JPS6354822U (fr) * 1986-09-30 1988-04-13
JPS63302170A (ja) * 1987-05-30 1988-12-09 Suzuki Motor Co Ltd Ｖ型多気筒エンジンの吸気装置
JPH02112959U (fr) * 1989-02-23 1990-09-10
JPH06137225A (ja) * 1992-10-23 1994-05-17 Kubota Corp 多気筒ガソリンエンジンの吸気装置
US20080041352A1 (en) * 2006-02-03 2008-02-21 Robert Bolanos Throttle body spacer for use with internal combustion engines
JP2010531952A (ja) * 2007-07-02 2010-09-30 エムジーアイ・クーティエ 内燃機関のための排気ガス再循環装置
JP2011501024A (ja) * 2007-10-18 2011-01-06 アー・ファウ・エル・リスト・ゲー・エム・ベー・ハー 吸気系を有する内燃機関
JP3146154U (ja) * 2008-08-25 2008-11-06 長河 簡 内燃機空気加圧スポイラー構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265523A (zh) * 2014-09-29 2015-01-07 日立汽车系统(苏州）有限公司 进气歧管稳压装置及包括该装置的发动机系统
CN104265523B (zh) * 2014-09-29 2017-01-11 日立汽车系统(苏州）有限公司 进气歧管稳压装置及包括该装置的发动机系统

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